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Page 1: Automation of end-to-end QOS
http://opennetsummit.org/workshops/?utm_source=ONS&utm_medium=speakerdeck&utm_campaign=ONS2015
http://opennetsummit.org/conference/?utm_source=ONS&utm_medium=speakerdeck&utm_campaign=ONS2015
http://opennetsummit.org/webinars/?utm_source=ONS&utm_medium=speakerdeck&utm_campaign=ONS2015
http://archives.opennetsummit.org?utm_source=ONS&utm_medium=speakerdeck&utm_campaign=ONS2015
Page 2: Automation of end-to-end QOS
http://opennetsummit.org/conference/?utm_source=ONS&utm_medium=speakerdeck&utm_campaign=ONS2015
http://twitter.com/opennetsummit
Page 3: Automation of end-to-end QOS

Automation of end-to-end QOSImprove end user experience for unified communications and collaboration with Software -defined Networking (SDN)

Page 4: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.2

Today’s UC&C Challenges

Network issues cause 60% to 80% of poor end-user QoE

Legacy Networks have poor visibility into real-time traffic• Lync uses encryption by default, making DPI difficult and unreliable

• Skype tries to hide itself from networks

Traffic engineering & QoS is complex…easily broken• Requires brute force static policies that must match application server settings

• Intermittent problems are tedious to diagnose, especially for Softphones and BYOD

“Quality of user experience is only as good as the quality of the network”

Page 5: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.3

Legacy Traffic Engineering Slows Application Delivery

UC / Application Admin

Time in Weeks

Ongoing Monitoring &

Troubleshooting

Identify traffic

classes

Configure UDP ACLs on

Switches

Inventory WAN circuit

sizing

What Codecs?

Remark DSCP for untrusted applications?

Lock down UDP port ranges used

for voice/video

Identify sites

Define Erlang traffic

models

Provision CAC across

sites

Validate SLAs

Ok, ready to start rolling out

Enable DSCP…on all

endpoints

… Deploy across Campus & Branch Sites

Network Admin

SDN will reduce cost of deploying QoS, Traffic Engineering and Security for UC

Page 6: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.4

Automated QoS SDN Application

UC&CInfrastructure

Network

Element

Network

Element

Network

Element

Network

Element

Network

Element

Network

Element

Network

Element

SDN

ControllerTopology Inventory

Flow

ProgrammingStatistics

Automated QoS

Network Service

Application

QoS Mapping Policy

SDN Controller North-Bound Interfaces

Automated QoS Network Service API Administrator Interface

Page 7: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.5

HP Lync SDN Demo video

Page 8: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.6

User: LindaUser: James

HP UC&C SDN Application for Microsoft Lync

HP UC&C SDN Application

HP VAN SDN Controller

Active Directory,

Exchange & SharePoint .

LyncSDN API

HP Server HP ServerHP OpenFlow Switch

HP OpenFlow Switch HP OpenFlow Switch

Ringing…

Dialog Start

OpenFlowModify QoS DSCP Rules

Page 9: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.7

Virtual Application Networks SDN Controller

Infrastructure

Control

SD

N A

rch

itec

ture

Programmable network aligned to business application delivers agility

Open SDN portfolio, SDK, App Store enable Ecosystem

ApplicationVirtual Cloud

Sentinel

Load Balancing

Partner Apps

UC&C

ConvergedControl

Design Implementation

& Support Services

Over 25 million ports across 50 Switches 10 Routers

Overlay

VXLAN, NVGRE

http://www.shortel.com/
http://www.shortel.com/
http://www.f5.com/
http://www.f5.com/
http://scn.sap.com/welcome
http://scn.sap.com/welcome
Page 10: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.8

End-to-End SDN

Branch Campus DC

v - Virtual

p - Physical

HP Virtual Application Networks: End-to-end SDN

HP is the only vendor pursuing an SDN strategy which

comprehends the entire path from user-to-datacenter and

the entire technology stack

Branch Campus DC

Page 11: Automation of end-to-end QOS

© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Backup Slides

Page 12: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.10

Hybrid Mode: a path to SDN

AccessSwitch

QOS SDNController

AccessSwitch

APWi-Fi

OpenFlow enabled hybrid-mode• Enforce policies as traffic enters the

network• Supports phased migrations, since

rest of network can be legacy gear• Use SDN for new/difficult features

Page 13: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.11

Hybrid SDN QoS Model for UC&C

AccessSwitch

QOS SDNController

NBAPI: Dialog Start

AccessSwitch

APWi-Fi

BE

BestEffort

BE

Best Effort

Page 14: Automation of end-to-end QOS

© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.12

Hybrid SDN QoS Model for UC&C

AccessSwitch

QOS SDNController

OpenFlow: Set QoS Remark

Network now UC&C awareand enforcing ‘trusted’

per-session dynamic policies

AccessSwitch

APWi-Fi

EF

EF

Ingres: Best EffortEgress: EF

Ingress: Best EffortEgress: EF

• Auto QoS for Lync is secured

• A Hybrid SDN model, for ease of deployment and reduced risk


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